14 pages for loop.md.

Configure your agent Claude Code CLI · in the page agent-sdk/configuration …t in either language. Set the [effort level](/docs/en/agent-sdk/agent-loop.md#effort-level) or a [spend cap](#limit-turns-and-spend) instead, or call the Messages API when you need those parameters di… Hosting the Agent SDK Claude Code CLI · in the page agent-sdk/hosting …eds to exit cleanly. See [Handle the result](/docs/en/agent-sdk/agent-loop.md#handle-the-result) for the error subtypes. ### Long-running sessions Run persistent container instances, often hosting m… Agent SDK overview Claude Code CLI · in the page agent-sdk/overview …t SDK gives you the same tools, [agent loop](/docs/en/agent-sdk/agent-loop.md), and context management that power Claude Code, programmable in Python and TypeScript. ## Compare the Agent SDK to other… Agent SDK reference - Python Claude Code CLI · in the page agent-sdk/python …ate can pass this value, so [leave headroom](/docs/en/agent-sdk/agent-loop.md#budget-headroom). Counts only the call's own spend; totals restored from a resumed session don't count. For accuracy cavea… Quickstart Claude Code CLI · in the page agent-sdk/quickstart …Permission mode in How the agent loop works](/docs/en/agent-sdk/agent-loop.md#permission-mode). ## Next steps Now that you've created your first agent, learn how to extend its capabilities and tailo… Work with sessions Claude Code CLI · in the page agent-sdk/sessions …ror_max_budget_usd` (see [Handle the result](/docs/en/agent-sdk/agent-loop.md#handle-the-result)); resume with a higher limit. In a single-shot `query()` call the SDK raises after yielding that error… Extend agents with skills Claude Code CLI · in the page agent-sdk/skills …ror-result contract, see [Handle the result](/docs/en/agent-sdk/agent-loop.md#handle-the-result). If your command might hit the limit, wrap the loop in a `try`/`catch` in TypeScript or `try`/`except`… Streaming Input Claude Code CLI · in the page agent-sdk/streaming-vs-single-mode …e needs to continue. See [Handle the result](/docs/en/agent-sdk/agent-loop.md#handle-the-result) for the result subtypes. ### Implementation Example ```typescript TypeScript theme={null} import { qu… Subagents in the SDK Claude Code CLI · in the page agent-sdk/subagents …/docs/en/env-vars.md) and [turns and budget](/docs/en/agent-sdk/agent-loop.md#turns-and-budget) record the Claude Code version that added each variable and the spend cap's subagent enforcement. Claud… Track todos Claude Code CLI · in the page agent-sdk/todo-tracking …y when that happens. See [Handle the result](/docs/en/agent-sdk/agent-loop.md#handle-the-result) for the result subtypes. > [!NOTE] > > The task system messages, [`SDKTaskNotificationMessage`](/docs/… Scale to many tools with tool search Claude Code CLI · in the page agent-sdk/tool-search …on result messages, see [Handle the result](/docs/en/agent-sdk/agent-loop.md#handle-the-result). ## Optimize tool discovery The search mechanism matches queries against tool names and descriptions.… Agent SDK reference - TypeScript Claude Code CLI · in the page agent-sdk/typescript …ate can pass this value, so [leave headroom](/docs/en/agent-sdk/agent-loop.md#budget-headroom). Counts only the call's own spend; totals restored from a resumed session don't count. For accuracy cavea… Commands Claude Code CLI · in the page commands …ocs/en/scheduled-tasks#run-the-built-in-maintenance-prompt) or your [`loop.md`](/docs/en/scheduled-tasks#customize-the-default-prompt-with-loop-md). Example: `/loop 5m check if the deploy finished`. S… Run prompts on a schedule Claude Code CLI · in the page scheduled-tasks …ntenance prompt](#run-the-built-in-maintenance-prompt) runs, or your `loop.md` if one exists | You can also pass a skill as the prompt, for example `/loop 20m /review-pr 1234`, to re-run that skill e…